Zayka AVANTI Series, 3 Item Set - Chef's Knife 6 in(Inch), Peering Knife 4 in(inch) and Peeler, Dark Blade sharper then any metal knife. The edges are sharpened using a diamond-coated grinding wheel to ensure long-lasting performance. rubberized ergonomic handle dark blade because of their high density ceramic blades will not stain, rust, or affect the taste of food extremely easy to clean